cahnges to the decryption

Web/app.py

@@ -3075,6 +3075,9 @@ def library_loans_admin():
 
     _ensure_audit_indexes_once()
 
+    # IMPORT HINZUGEFÜGT: Entschlüsselungs-Tool importieren
+    from modules.inventarsystem.data_protection import decrypt_text
+
     def fmt_dt(dt):
         try:
             return dt.strftime('%d.%m.%Y %H:%M') if dt else ''
@@ -3121,6 +3124,9 @@ def library_loans_admin():
             item_has_damage = bool(item_doc.get('HasDamage')) or condition_value == 'destroyed' or bool(item_doc.get('DamageReports'))
             damage_reports = item_doc.get('DamageReports', []) or []
 
+            raw_user = record.get('User', '')
+            decrypted_user = decrypt_text(raw_user) if raw_user else ''
+
             loan_entries.append({
                 'id': str(record.get('_id')),
                 'item_id': item_id,
@@ -3128,7 +3134,7 @@ def library_loans_admin():
                 'item_code': item_doc.get('Code_4', ''),
                 'item_author': item_doc.get('Author', ''),
                 'item_isbn': item_doc.get('ISBN', ''),
-                'user': record.get('User', ''),
+                'user': decrypted_user, 
                 'status': record.get('Status', ''),
                 'start': fmt_dt(record.get('Start')),
                 'end': fmt_dt(record.get('End')),
@@ -3181,7 +3187,6 @@ def library_loans_admin():
         if client:
             client.close()
 
-
 @app.route('/api/library_items')
 def api_library_items():
     """
@@ -8048,6 +8053,8 @@ def admin_borrowings():
 
     _ensure_audit_indexes_once()
 
+    from modules.inventarsystem.data_protection import decrypt_text
+
     client = MongoClient(MONGODB_HOST, MONGODB_PORT)
     db = client[MONGODB_DB]
     ausleihungen = db['ausleihungen']
@@ -8081,6 +8088,10 @@ def admin_borrowings():
             item_name = None
             item_cost = None
             has_damage = False
+
+        raw_user = r.get('User', '')
+        decrypted_user = decrypt_text(raw_user) if raw_user else ''
+
         entries.append({
             'id': str(r.get('_id')),
             'item_id': str(item_doc.get('_id')) if item_doc and item_doc.get('_id') else str(it_id or ''),
@@ -8088,7 +8099,7 @@ def admin_borrowings():
             'item_name': str(item_name or ''),
             'item_cost': fmt_money(item_cost),
             'item_cost_raw': item_cost if item_cost is not None else '',
-            'user': r.get('User', ''),
+            'user': decrypted_user,
             'status': r.get('Status', ''),
             'start': fmt_dt(r.get('Start')),
             'end': fmt_dt(r.get('End')),